package com.wugui.datax.admin.tool.meta;

/**
 * hive元数据信息
 *
 * @author jingwk
 * @ClassName HiveDatabaseMeta
 * @Version 2.0
 * @since 2020/01/05 15:45
 */
public class HiveDatabaseMeta extends BaseDatabaseMeta implements DatabaseInterface {
	private volatile static HiveDatabaseMeta single;

	public static HiveDatabaseMeta getInstance() {
		if (single == null) {
			synchronized (HiveDatabaseMeta.class) {
				if (single == null) {
					single = new HiveDatabaseMeta();
				}
			}
		}
		return single;
	}

	@Override
	public String getSQLQueryTables() {
		return "show tables";
	}

}
